Script started on Sun Nov 18 02:13:12 2007
iapetus# kgdb kernel.debug /var/crash/vmcore.0
[GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
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Unread portion of the kernel message buffer:
<0>


Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0x1
fault code		= supervisor read data, page not present
instruction pointer	= 0x8:0xffffffff804e4fa2
stack pointer	        = 0x10:0xffffffff9fd27530
frame pointer	        = 0x10:0xffffffff9fd276a0
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 43 (acpi_thermal)
trap number		= 12
panic: page fault
cpuid = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
panic() at panic+0x17a
trap_fatal() at trap_fatal+0x29f
trap_pfault() at trap_pfault+0x22d
trap() at trap+0x300
calltrap() at calltrap+0x8
--- trap 0xc, rip = 0xffffffff804e4fa2, rsp = 0xffffffff9fd27530, rbp = 0xffffffff9fd276a0 ---
strlen() at strlen+0x2
dmapbase() at 0xffffff00020e6ca8
Uptime: 9m41s
Physical memory: 986 MB
Dumping 114 MB: 99 83 67 51 35 19 3

#0  doadump () at pcpu.h:194
194		__asm __volatile("movq %%gs:0,%0" : "=r" (td));
(kgdb) bt
#0  doadump () at pcpu.h:194
#1  0xffffffff8046572f in boot (howto=260) at ../../../kern/kern_shutdown.c:409
#2  0xffffffff80465b47 in panic (fmt=Variable "fmt" is not available.
) at ../../../kern/kern_shutdown.c:563
#3  0xffffffff806bc0bf in trap_fatal (frame=0xc, eva=Variable "eva" is not available.
)
    at ../../../amd64/amd64/trap.c:697
#4  0xffffffff806bc43d in trap_pfault (frame=0xffffffff9fd27480, usermode=0)
    at ../../../amd64/amd64/trap.c:614
#5  0xffffffff806bcd30 in trap (frame=0xffffffff9fd27480)
    at ../../../amd64/amd64/trap.c:383
#6  0xffffffff806a371e in calltrap () at ../../../amd64/amd64/exception.S:169
#7  0xffffffff804e4fa2 in strlen (str=0x1 <Address 0x1 out of bounds>)
    at ../../../libkern/strlen.c:41
#8  0xffffffff8048c5f5 in kvprintf (
    fmt=0xffffffff807aee73 " while in %s mode\n", 
    func=0xffffffff8048d000 <putchar>, arg=0xffffffff9fd276b0, radix=10, ap=Variable "ap" is not available.
)
    at ../../../kern/subr_prf.c:750
#9  0xffffff00020e6ca8 in ?? ()
#10 0x0000000000000008 in ?? ()
#11 0x0000000000000153 in ?? ()
#12 0xffffffff807add18 in apic_cmd ()
#13 0x0000000000000000 in ?? ()
#14 0xffffffff9fd27700 in ?? ()
#15 0xffffffff8045c28f in _mtx_lock_flags (m=0xffffffff8049668b, 
---Type <return> to continue, or q <return> to quit---
    opts=36477624, file=0xffffffff9fd276d0 "", line=-2137032800)
    at ../../../kern/kern_mutex.c:189
Previous frame inner to this frame (corrupt stack?)
(kgdb) q
iapetus# exit

Script done on Sun Nov 18 02:13:19 2007